In a small bowl, beat the cream cheese, mayonnaise, and lemon juice until smooth. By hand, gently mix in the green onions and salmon. Season to taste with salt and pepper. Add in 1/2 cup of cheese; stir.
Spread in a small baking dish and sprinkle with 1/2 cup remaining cheese.
Bake for 10 minutes, or until bubbly and hot. Serve with crackers or baguette bread.